CN114584229A - Method and device for testing track circuit information reader - Google Patents
Method and device for testing track circuit information reader Download PDFInfo
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Abstract
The invention discloses a method and a device for testing a track circuit information reader, which simulate ATP and TCR to communicate through upper computer simulation software, realize the transmission of relevant track circuit information by matching with a TCM code transmitting device, verify the decoding result from the tested track circuit information reader and calculate the time difference between the transmission and the decoding result of the relevant track circuit information, can automatically test the decoding correctness of a track circuit receiver and the relevant performance of decoding and code dropping time and count the test result, improve the test efficiency and the correctness and reduce the workload of the current manual test.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a method and a device for testing a track circuit information reader.
Background
Track Circuit information readers (TCR) are an important subsystem of train-controlled on-board equipment (ATP). The TCR receives track circuit information on a track through the TCR antenna and transmits demodulated track circuit carrier frequency, low frequency and insulation section information (optional) to the vehicle-mounted main control unit, and the TCR has a multi-carrier frequency receiving function and can determine uplink and downlink carrier frequencies according to transponder information and driver uplink and downlink carrier frequency selection.
The TCR is a Safety-Level device, and it is important to perform a sufficient and effective test on the TCR to meet SIL4(Safety Integrity Level) Level requirements in the design and development process. At present, the test of the decoding result of the TCR mainly depends on manual work, and the code sending table is used for testing one by one, so the test efficiency needs to be improved; meanwhile, the accuracy of the test also depends on the level of the tester, so the accuracy of the test is still to be improved.
Disclosure of Invention
The invention aims to provide a method and a device for testing a track circuit information reader, which can effectively and conveniently test the functions of the track circuit information reader, improve the testing efficiency, improve the testing accuracy and reduce the workload.
The purpose of the invention is realized by the following technical scheme:
an apparatus for testing a track circuit information reader, comprising: the TCM code sending device and the computer provided with upper computer simulation software are arranged; wherein:
the computer is used for sending carrier frequency locking information to the track circuit information reader through upper computer simulation software and sending a test command carrying track circuit information to the TCM code sending device;
the TCM code sending device is used for extracting the signal characteristics of the track circuit information from the test command, generating a track circuit signal and sending the track circuit signal to the track circuit information reader;
the computer is further configured to receive a decoding result of the track circuit information reader for the track circuit signal according to the carrier frequency locking information, verify the decoding result based on the track circuit information, and if the decoding result passes the verification, calculate a time difference between sending the test command carrying the track circuit information and receiving the decoding result.
A method for testing a track circuit information reader is realized on the basis of a TCM code sending device and a computer provided with upper computer simulation software, and comprises the following steps:
the computer sends carrier frequency locking information to a track circuit information reader through upper computer simulation software, and sends a test command carrying track circuit information to the TCM code sending device;
extracting signal characteristics of track circuit information from a test command by the TCM code sending device, generating a track circuit signal and sending the track circuit signal to the track circuit information reader;
and receiving a decoding result of the track circuit information reader aiming at the track circuit signal according to the carrier locking frequency information by the computer, verifying the decoding result based on the track circuit information, and if the decoding result passes the verification, calculating a time difference between the sending of the test command carrying the track circuit information and the receiving of the decoding result.
According to the technical scheme provided by the invention, the communication between the ATP and the tested track circuit reader is simulated through the upper computer simulation software, the transmission of the related track circuit information is realized by matching with a TCM code transmitting device, meanwhile, the decoding result from the tested track circuit information reader is verified, and the time difference between the transmission of the related track circuit information and the decoding result is calculated, so that the decoding correctness of the track circuit information reader and the related performance of the decoding time can be automatically tested, the test result is counted, the test efficiency and the correctness are improved, and the workload of manual test is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic diagram of an apparatus for testing a track circuit information reader according to an embodiment of the present invention;
fig. 2 is a schematic view of an operation interface of the upper computer simulation software according to the embodiment of the present invention;
fig. 3 is a schematic hardware structure diagram of a TCM code transmitting device according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating the operation of the processing software of the TCM code sending device according to the embodiment of the present invention;
fig. 5 is a statistical chart of the test results after testing the TCR provided by the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The terms that may be used herein are first described as follows:
the term "and/or" means that either or both can be achieved, for example, X and/or Y means that both cases include "X" or "Y" as well as three cases including "X and Y".
The terms "comprising," "including," "containing," "having," or other similar terms of meaning should be construed as non-exclusive inclusions. For example: including a feature (e.g., material, component, ingredient, carrier, formulation, material, dimension, part, component, mechanism, device, process, procedure, method, reaction condition, processing condition, parameter, algorithm, signal, data, product, or article of manufacture), is to be construed as including not only the particular feature explicitly listed but also other features not explicitly listed as such which are known in the art.
A method and apparatus for testing a track circuit information reader according to the present invention will be described in detail below. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art. Those not specifically mentioned in the examples of the present invention were carried out according to the conventional conditions in the art or conditions suggested by the manufacturer. The instruments used in the examples of the present invention are not indicated by manufacturers, and are all conventional products that can be obtained by commercial purchase.
Example one
As shown in fig. 1, an apparatus for testing a track circuit information reader mainly includes: the TCM code sending device and the computer are provided with upper computer simulation software; wherein:
the computer is used for sending carrier frequency locking information to the track circuit information reader through upper computer simulation software and sending a test command carrying track circuit information to the TCM code sending device;
the TCM code sending device is used for extracting a track circuit information test command, generating a track circuit signal and sending the track circuit signal to the track circuit information reader;
the computer is further configured to receive a decoding result of the track circuit information reader for the track circuit signal according to the carrier frequency locking information, verify the decoding result based on the track circuit information, and if the decoding result passes the verification, calculate a time difference between sending the test command carrying the track circuit information and receiving the decoding result.
For ease of understanding, each of the components of the device will be described separately below.
A computer part.
In the embodiment of the invention, the computer is provided with upper computer simulation software, and the TCM code sending device can be controlled to simultaneously send three different track circuit signals through the upper computer simulation software (TestTCR).
In the embodiment of the present invention, the upper computer simulation software may be developed by using Visual C + + as a development tool, and mainly includes: the system comprises a TCR communication processing module, a track circuit information code sending processing module, a test result statistical analysis module and an interface display control module. Fig. 2 is a schematic diagram of an operation interface of the upper computer simulation software.
1. And the TCR communication processing module is used for simulating ATP to communicate with the track circuit information reader according to a communication protocol, sending corresponding carrier frequency locking information to the track circuit information reader, receiving a decoding result of the track circuit information reader, and analyzing the carrier frequency and the low frequency for displaying.
2. The track circuit information code sending processing module is used for sending a test command carrying track circuit signals with different carrier frequencies and low frequencies under different modes (such as ZPW-2000, UM71 and domestic frequency shift) to the TCM code sending device by using a fixed test script or an edited test script according to a communication protocol of the TCM code sending device and combining a test purpose.
In the embodiment of the invention, the test command carrying the track circuit information can be sent to the TCM code sending device through a serial port.
3. The test result statistical analysis module is used for verifying the decoding result based on the track circuit information and calculating the time difference between the sending of the test command carrying the track circuit information and the receiving of the decoding result; and recording the verification result obtained by each test and the time difference calculation result, judging the correctness to be used as a test result, and carrying out statistical analysis on the test results for multiple times.
In the embodiment of the present invention, each time the test command carrying the track circuit information is sent, the corresponding time is recorded, and the corresponding time is also recorded for the decoding result of the corresponding track circuit information, and if the verification is passed (that is, the decoding result is consistent with the track circuit information), the difference between the two times is calculated, that is, the decoding time or the code dropping time of the TCR.
4. The interface display control module is used for realizing display control of various information in the test process, selection of various information and sending control of test commands. The interface display control module may perform control functions related to the interface, such as processing of keys, interface display of scripts, display of test results, and the like on the operation interface shown in fig. 2.
And secondly, a TCM code sending device.
In the embodiment of the invention, the TCM code transmitting device realizes the modulation and transmission of ZPW-2000 and UM71 and carrier frequency and low frequency track circuit signals of multiple national frequency shift systems, and the TCM code transmitting device adopts the advanced DDS (Direct Digital Synthesis) technology and the Digital signal processing technology and outputs three track circuit signals in real time according to the test instruction of upper computer simulation software.
1. A hardware portion.
As shown in fig. 3, a schematic diagram of a hardware structure of a TCM code transmitting device mainly includes: the system comprises a power supply interface, a power supply conversion circuit, a communication interface, an RS422 bus transceiver, a DSP chip, a DDS chip, an amplification conditioning circuit, an SDRAM and a three-way track circuit signal output interface; the power supply interface is connected with the power supply conversion circuit, and the power supply conversion circuit is used for performing power supply conversion and then supplying power to the RS422 bus transceiver, the DSP chip, the DDS chip and the amplification conditioning circuit; the DSP chip is connected with the SDRAM, and the SDRAM temporarily stores data information processed by the DSP chip; the communication interface, the RS422 bus transceiver, the DSP chip and the DDS chip are sequentially connected with the amplification conditioning circuit, and after the test command carrying the track circuit information is processed into three track circuit signals, the three track circuit signals are transmitted to the track circuit information reader through the three track circuit signal output interfaces.
The hardware circuit has the following characteristics:
1) the DDS direct digital frequency synthesis technology chip is adopted, has low noise, high resolution and quick DA conversion time, and can meet the requirements of quick FSK signal modulation and stable output.
It will be understood by those skilled in the art that the track circuit signals are FSK modulated signals, but that FSK modulated signals need not be track circuit signals, but rather are a broader concept.
2) The digital signal processor chip mature in TI company is adopted, the TMS320F28235 chip is adopted as a main processing chip, the digital signal processor chip has a high-performance 32-bit CPU core, a Harvard (Harvard) bus structure, a 256 Kx 16 flash memory, and a 34 Kx 16SARAM supporting SCI, SPI, CAN, I2C, McBSP and XINTF interfaces, and has the advantages of high performance and low power consumption.
3) A rail-to-rail low-noise low-bias voltage operational amplifier, a three-stage amplifying circuit and a power amplifying circuit are adopted.
2. A software portion.
The TCM code sending device is provided with matched processing software (including DSP software), can be written by C language and carries out coding according to coding specification Misra C. The processing software mainly comprises: the device comprises an initialization firmware and self-checking module, a lamp position processing module, a communication data receiving and processing module, a communication data analyzing module and a modulation signal sending module. The workflow of the process software is shown in fig. 4.
1) The initialization firmware and self-checking module is used for initializing the TCM code sending device, performing self-checking, and performing the next operation if the self-checking is passed; and if the self-checking fails, displaying the fault and not performing the next operation.
2) The lamp position processing module is used for controlling a communication indicator lamp and a fault indicator lamp on the TCM code sending device, controlling the fault indicator lamp according to a self-checking result, and controlling a corresponding communication indicator lamp according to a communication state to indicate a current communication state and a fault state;
3) and the communication data receiving and processing module is used for receiving a test command carrying track circuit information after the self-checking is passed.
In the embodiment of the invention, the upper computer simulation software can communicate with the TCM code sending device through an RS422 serial port (with the baud rate of 115200 bps). And a communication data receiving and processing module of the TCM code sending device receives serial communication data of the upper computer simulation software.
4) The communication data analysis module is used for analyzing the test command carrying the track circuit information and extracting relevant characteristics for generating the track circuit signal. Specifically, the method comprises the following steps: analyzing the received information, wherein the communication protocol comprises the following steps: the data header FFFE and data tail FFFD protocols, the CRC16 check and the relevant parameters of the track circuit signal, and the relevant characteristics including carrier frequency, low frequency, frequency offset and amplitude information for generating the track circuit signal are extracted.
5) And the modulation signal sending module is used for sending the modulation signal to the DDS chip according to the characteristics of the track circuit signal output by the communication data analysis module, generating the track circuit signal by the DDS chip and then sending the track circuit signal to the track circuit information reader.
The above is a description of the main composition and principle of the TCM code transmitting device for testing the track circuit information reader, and the track circuit information reader to be tested is performed according to the original working flow, that is, the TCR performs sampling processing on the track circuit signal according to the carrier locking information of the ATP, then decodes the track circuit signal, and transmits the decoding result to the upper computer simulation software through the serial port.
According to the embodiment of the invention, a related test environment is set up based on the graph 1, a decoding accuracy test is carried out after a corresponding test script is compiled, the test result is counted after the test is started to be finished, 18 low-frequency codes under three systems can be subjected to round-robin test, and the test accuracy is 100%. Fig. 5 shows statistical information of the test results after testing the TCR.
Example two
The embodiment of the invention also provides a method for testing the track circuit information reader, which is realized based on the device provided by the embodiment, and comprises the following steps:
sending carrier frequency locking information to a track circuit information reader and sending a test command carrying track circuit information to the TCM code sending device by using a computer through upper computer simulation software;
extracting signal characteristics of track circuit information by using a TCM code transmitting device, generating a track circuit signal and transmitting the track circuit signal to a track circuit information reader;
and receiving a decoding result of the track circuit information reader aiming at the track circuit signal according to the carrier locking frequency information by using the computer, verifying the decoding result based on the track circuit information, and if the decoding result passes the verification, calculating a time difference between the sending of the test command carrying the track circuit information and the receiving of the decoding result.
In the embodiment of the present invention, the upper computer simulation software includes: the system comprises a TCR communication processing module, a track circuit information code sending processing module, a test result statistical analysis module and an interface display control module; wherein:
the TCR communication processing module is used for simulating ATP to communicate with the track circuit information reader according to a communication protocol, sending corresponding carrier frequency locking information to the track circuit information reader and receiving a decoding result of the track circuit information reader;
the track circuit information code sending processing module is used for sending a test command carrying track circuit signals with different carrier frequencies and low frequencies under different systems to the TCM code sending device by using a fixed test script or an edited test script according to a communication protocol with the TCM code sending device in combination with a test purpose;
the test result statistical analysis module is used for verifying the decoding result based on the track circuit information, and if the decoding result passes the verification, calculating a time difference between the sending of the test command carrying the track circuit information and the receiving of the decoding result; recording the verification result obtained by each test and the time difference calculation result, judging the correctness to be used as a test result, and carrying out statistical analysis on the test results for multiple times;
the interface display control module is used for displaying various information in the test process, selecting various information and sending test commands.
In the embodiment of the invention, the TCM code transmitting device realizes the modulation and transmission of ZPW-2000 and UM71 and the carrier frequency and low frequency track circuit signals of a plurality of national frequency shift systems, and the TCM code transmitting device adopts the advanced DDS technology and the digital signal processing technology and outputs three track circuit signals in real time according to the test instruction of upper computer simulation software.
In an embodiment of the present invention, the TCM code transmitting apparatus includes: the system comprises a power supply interface, a power supply conversion circuit, a communication interface, an RS422 bus transceiver, a DSP chip, a DDS chip, an amplification conditioning circuit, an SDRAM and a three-way FSK modulation signal output interface; the power supply interface is connected with the power supply conversion circuit, and the power supply conversion circuit is used for performing power supply conversion and then supplying power to the RS422 bus transceiver, the DSP chip, the DDS chip and the amplification conditioning circuit; the DSP chip is connected with the SDRAM; the communication interface, the RS422 bus transceiver, the DSP chip and the DDS chip are sequentially connected with the amplification conditioning circuit, and after the test command carrying the track circuit information is processed into three track circuit signals, the three track circuit signals are transmitted to the track circuit information reader through the three track circuit signal output interfaces.
In the embodiment of the invention, the TCM code sending device is provided with matched processing software, and the processing software comprises: the system comprises an initialization firmware and self-checking module, a lamp position processing module, a communication data receiving and processing module, a communication data analyzing module and a modulation signal sending module; wherein:
the initialization firmware and self-checking module is used for initializing the TCM code sending device, performing self-checking, and performing the next operation if the self-checking is passed; if the self-checking fails, displaying the fault and not performing the next operation;
the lamp position processing module is used for controlling a communication indicator light and a fault indicator light on the TCM code sending device, controlling the fault indicator light according to a self-checking result, controlling a corresponding communication indicator light according to a communication state and indicating a current communication state and a fault state;
the communication data receiving and processing module is used for receiving a test command carrying track circuit information after the self-checking is passed;
the communication data analysis module is used for analyzing the test command carrying the track circuit information and extracting relevant characteristics for generating the track circuit signal;
and the modulation signal sending module is used for sending the characteristics of the track circuit signal output by the communication data analysis module to the DDS chip, and the DDS chip generates the track circuit signal and then sends the track circuit signal to the track circuit information reader.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An apparatus for testing a track circuit information reader, comprising: the TCM code sending device and the computer provided with upper computer simulation software are arranged; wherein:
the computer is used for sending carrier frequency locking information to the track circuit information reader through upper computer simulation software and sending a test command carrying track circuit information to the TCM code sending device;
the TCM code sending device is used for extracting the signal characteristics of the track circuit information from the test command, generating a track circuit signal and sending the track circuit signal to the track circuit information reader;
the computer is further configured to receive a decoding result of the track circuit information reader for the track circuit signal according to the carrier frequency locking information, verify the decoding result based on the track circuit information, and if the decoding result passes the verification, calculate a time difference between sending the test command carrying the track circuit information and receiving the decoding result.
2. The apparatus of claim 1, wherein the host computer emulation software comprises: the system comprises a TCR communication processing module, a track circuit information code sending processing module, a test result statistical analysis module and an interface display control module; wherein:
the TCR communication processing module is used for simulating ATP to communicate with the track circuit information reader according to a communication protocol, sending corresponding carrier frequency locking information to the track circuit information reader and receiving a decoding result of the track circuit information reader;
the track circuit information code sending processing module is used for sending a test command carrying track circuit signals with different carrier frequencies and low frequencies under different systems to the TCM code sending device by using a fixed test script or an edited test script according to a communication protocol with the TCM code sending device in combination with a test purpose;
the test result statistical analysis module is used for verifying the decoding result based on the track circuit information, and if the decoding result passes the verification, calculating a time difference between the sending of the test command carrying the track circuit information and the receiving of the decoding result; recording the verification result obtained by each test and the time difference calculation result, judging the correctness to be used as a test result, and carrying out statistical analysis on the test results for multiple times;
the interface display control module is used for realizing display control of various information in the test process, selection of various information and sending control of test commands.
3. The apparatus as claimed in claim 1, wherein the TCM code transmitter modulates and transmits ZPW-2000, UM71 signals with carrier frequency and low frequency track circuit signals of multiple national frequency shift systems, and the TCM code transmitter outputs three track circuit signals in real time according to the test instructions of the upper computer simulation software by using DDS technology and digital signal processing technology.
4. An apparatus for testing a track circuit information reader according to claim 1 or 3, wherein said TCM code transmitting means comprises: the system comprises a power supply interface, a power supply conversion circuit, a communication interface, an RS422 bus transceiver, a DSP chip, a DDS chip, an amplification conditioning circuit, an SDRAM and a three-way track circuit signal output interface;
the power supply interface is connected with the power supply conversion circuit, and the power supply conversion circuit is used for performing power supply conversion and then supplying power to the RS422 bus transceiver, the DSP chip, the DDS chip and the amplification conditioning circuit; the DSP chip is connected with the SDRAM; the communication interface, the RS422 bus transceiver, the DSP chip and the DDS chip are sequentially connected with the amplification conditioning circuit, and after a test command carrying track circuit information is processed into three paths of FSK modulation signals, the three paths of FSK modulation signals are transmitted to the track circuit information reader through the three paths of FSK modulation signal output interfaces.
5. A device for testing a track circuit information reader according to claim 1 or 3, wherein the TCM code transmitter is provided with a processing software, the processing software comprising: the system comprises an initialization firmware and self-checking module, a lamp position processing module, a communication data receiving and processing module, a communication data analyzing module and a modulation signal sending module; wherein:
the initialization firmware and self-checking module is used for initializing the TCM code sending device, performing self-checking, and performing the next operation if the self-checking is passed; if the self-checking fails, displaying the fault and not performing the next operation;
the lamp position processing module is used for controlling a communication indicator lamp and a fault indicator lamp on the TCM code sending device, controlling the fault indicator lamp according to a self-checking result, and controlling a corresponding communication indicator lamp according to a communication state to indicate a current communication state and a fault state;
the communication data receiving and processing module is used for receiving a test command carrying track circuit information after the self-checking is passed;
the communication data analysis module is used for analyzing the test command carrying the track circuit information and extracting relevant characteristics for generating the track circuit signal;
and the modulation signal sending module is used for generating a track circuit signal and sending the track circuit signal to the track circuit information reader after modulating the analysis result output by the communication data analysis module.
6. A method for testing a track circuit information reader is characterized by being realized based on a TCM code sending device and a computer provided with upper computer simulation software, and the method comprises the following steps:
the computer sends carrier frequency locking information to a track circuit information reader through upper computer simulation software, and sends a test command carrying track circuit information to the TCM code sending device;
extracting signal characteristics of track circuit information from a test command by the TCM code sending device, generating a track circuit signal and sending the track circuit signal to the track circuit information reader;
and receiving a decoding result of the track circuit information reader aiming at the track circuit signal according to the carrier frequency locking information by the computer, verifying the decoding result based on the track circuit information, and if the decoding result passes the verification, calculating a time difference between the sending of the test command carrying the track circuit information and the receiving of the decoding result.
7. The method of claim 6, wherein the host computer emulation software comprises: the system comprises a TCR communication processing module, a track circuit information code sending processing module, a test result statistical analysis module and an interface display control module; wherein:
the TCR communication processing module is used for simulating ATP to communicate with the track circuit information reader according to a communication protocol, sending corresponding carrier frequency locking information to the track circuit information reader and receiving a decoding result of the track circuit information reader;
the track circuit information code sending processing module is used for sending a test command carrying track circuit signals with different carrier frequencies and low frequencies under different systems to the TCM code sending device by using a fixed test script or an edited test script according to a communication protocol with the TCM code sending device and combining a test purpose;
the test result statistical analysis module is used for verifying the decoding result based on the track circuit information, and if the decoding result passes the verification, calculating the time difference between the sending of the test command carrying the track circuit information and the receiving of the decoding result; recording the verification result obtained by each test and the time difference calculation result, judging the correctness to be used as a test result, and carrying out statistical analysis on the test results for multiple times;
the interface display control module is used for displaying various information in the test process, selecting various information and sending test commands.
8. The method as claimed in claim 6, wherein the TCM code transmitter modulates and transmits ZPW2000, UM71 signals with carrier frequency and low frequency track circuit signals of multiple systems of domestic frequency shift, and the TCM code transmitter outputs three track circuit signals in real time according to the test instructions of the upper computer simulation software by using advanced DDS technology and digital signal processing technology.
9. An apparatus for testing a track circuit information reader according to claim 6 or 8, wherein said TCM code transmitting means comprises: the system comprises a power supply interface, a power supply conversion circuit, a communication interface, an RS422 bus transceiver, a DSP chip, a DDS chip, an amplification conditioning circuit, an SDRAM and a three-way track circuit signal output interface;
the power supply interface is connected with the power supply conversion circuit, and the power supply conversion circuit is used for performing power supply conversion and then supplying power to the RS422 bus transceiver, the DSP chip, the DDS chip and the amplification conditioning circuit; the DSP chip is connected with the SDRAM; the communication interface, the RS422 bus transceiver, the DSP chip and the DDS chip are sequentially connected with the amplification conditioning circuit, and after a test command carrying track circuit information is processed into three paths of FSK modulation signals, the three paths of FSK modulation signals are transmitted to the track circuit information reader through the three paths of FSK modulation signal output interfaces.
10. A method of testing a track circuit information reader according to claim 6 or 8, wherein the TCM code transmitter is provided with associated processing software comprising: the system comprises an initialization firmware and self-checking module, a lamp position processing module, a communication data receiving and processing module, a communication data analyzing module and a modulation signal sending module; wherein:
the initialization firmware and self-checking module is used for initializing the TCM code sending device, performing self-checking, and performing the next operation if the self-checking is passed; if the self-checking fails, displaying the fault and not performing the next operation;
the lamp position processing module is used for controlling a communication indicator lamp and a fault indicator lamp on the TCM code sending device, controlling the fault indicator lamp according to a self-checking result, and controlling a corresponding communication indicator lamp according to a communication state to indicate the current communication state and the fault state;
the communication data receiving and processing module is used for receiving a test command carrying track circuit information after the self-checking is passed;
the communication data analysis module is used for analyzing the test command carrying the track circuit information and extracting relevant characteristics for generating the track circuit signal;
and the modulation signal sending module is used for generating a track circuit signal and sending the track circuit signal to the track circuit information reader after modulating the analysis result output by the communication data analysis module.
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| CN202210082659.0A CN114584229A (en) | 2022-01-24 | 2022-01-24 | Method and device for testing track circuit information reader |
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| CN202210082659.0A CN114584229A (en) | 2022-01-24 | 2022-01-24 | Method and device for testing track circuit information reader |
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